Verbatim text: Mulligan, G. A. 1968. Physaria didymocarpa, P. brassicoides, and P. floribunda (Cruciferae) and their close relatives. Canad. J. Bot. 46: 735–740.
Author: Mulligan, G.A.
Year: 1968
Title: Physaria didymocarpa, P. brassicoides, and P. floribunda (Cruciferae) and their close relatives
Journal: Canad. J. Bot
Volume: 46
Pages: 735–740